Rock Mineral Wool | Rocksilk External Wall slab


A high strength compression resistant and water resistant, Rock Mineral Wool batt. It’s fire resistance removes the need for fire barriers, giving simple quick and economical insulation for external wall insulation systems. It is designed to thermally upgrade existing buildings some of which may be hard to treat.


Product Type Batt
Facing Type Unfaced


Renovation or New Building Renovation & New Building
Building Type Residential & Commercial
More information

Product Range


Material Code Thickness (mm) R-Value (m²K/W) Thermal Conductivity (W/mK) Length (mm) Width (mm) Area per pack (m²) Pieces per pack
2407423 40 1.0 0.041 1200 600 0.72 1


Date Language
Datasheet - Rocksilk External Wall SlabpdfDownload February 2017 English